20015644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2357}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 38425968

約数和(自身を除く): 18410324

約数列:

[1, 2, 4, 11, 22, 44, 193, 386, 772, 2123, 2357, 4246, 4714, 8492, 9428, 25927, 51854, 103708, 454901, 909802, 1819604, 5003911, 10007822, 20015644]

約数ペア:

[(1, 20015644), (2, 10007822), (4, 5003911), (11, 1819604), (22, 909802), (44, 454901), (193, 103708), (386, 51854), (772, 25927), (2123, 9428), (2357, 8492), (4246, 4714)]